CN113443345A - Scraper conveyor without bottom chain - Google Patents
Scraper conveyor without bottom chain Download PDFInfo
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- CN113443345A CN113443345A CN202110596920.4A CN202110596920A CN113443345A CN 113443345 A CN113443345 A CN 113443345A CN 202110596920 A CN202110596920 A CN 202110596920A CN 113443345 A CN113443345 A CN 113443345A
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- China
- Prior art keywords
- chain
- scraper
- tail
- bottomless
- conveyor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G19/00—Conveyors comprising an impeller or a series of impellers carried by an endless traction element and arranged to move articles or materials over a supporting surface or underlying material, e.g. endless scraper conveyors
- B65G19/04—Conveyors comprising an impeller or a series of impellers carried by an endless traction element and arranged to move articles or materials over a supporting surface or underlying material, e.g. endless scraper conveyors for moving bulk material in open troughs or channels
- B65G19/06—Conveyors comprising an impeller or a series of impellers carried by an endless traction element and arranged to move articles or materials over a supporting surface or underlying material, e.g. endless scraper conveyors for moving bulk material in open troughs or channels the impellers being scrapers similar in size and shape to the cross-section of the trough or channel
- B65G19/10—Conveyors comprising an impeller or a series of impellers carried by an endless traction element and arranged to move articles or materials over a supporting surface or underlying material, e.g. endless scraper conveyors for moving bulk material in open troughs or channels the impellers being scrapers similar in size and shape to the cross-section of the trough or channel and attached to a pair of belts, ropes or chains
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G19/00—Conveyors comprising an impeller or a series of impellers carried by an endless traction element and arranged to move articles or materials over a supporting surface or underlying material, e.g. endless scraper conveyors
- B65G19/18—Details
- B65G19/20—Traction chains, ropes, or cables
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G19/00—Conveyors comprising an impeller or a series of impellers carried by an endless traction element and arranged to move articles or materials over a supporting surface or underlying material, e.g. endless scraper conveyors
- B65G19/18—Details
- B65G19/22—Impellers, e.g. push-plates, scrapers; Guiding means therefor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G19/00—Conveyors comprising an impeller or a series of impellers carried by an endless traction element and arranged to move articles or materials over a supporting surface or underlying material, e.g. endless scraper conveyors
- B65G19/18—Details
- B65G19/28—Troughs, channels, or conduits
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G23/00—Driving gear for endless conveyors; Belt- or chain-tensioning arrangements
- B65G23/22—Arrangements or mountings of driving motors
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G23/00—Driving gear for endless conveyors; Belt- or chain-tensioning arrangements
- B65G23/44—Belt or chain tensioning arrangements
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G2201/00—Indexing codes relating to handling devices, e.g. conveyors, characterised by the type of product or load being conveyed or handled
- B65G2201/04—Bulk
- B65G2201/045—Sand, soil and mineral ore
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Pusher Or Impeller Conveyors (AREA)
Abstract
The invention provides a scraper conveyor without a bottom chain, which belongs to the technical field of scraper conveyors and comprises the following components: tail, scrape the chain, the tail includes: frame body, second sprocket shaft group is located in the frame body, it includes to scrape the scraper chain: the chain is a closed curve, and the chain is meshed with the second chain wheel shaft group to enable the chain to horizontally do circular motion; therefore, the scraper chain does not need to be moved down, and circular motion is carried out on the upper surface of the conveying groove, so that the power consumed by chain returning is reduced, and the chain is convenient to overhaul and replace in time.
Description
Technical Field
The invention relates to the technical field of scraper conveyors, in particular to a scraper conveyor without a bottom chain.
Background
As is well known, a coal mine underground fully mechanized mining face is used as a first production site of coal, in the prior art, for example, a chinese patent with patent number 201911030672.6 discloses a mining scraper conveyor, and a chinese patent with patent number 201510627204.2 discloses a scraper conveyor, which mainly includes a scraper arranged on the upper portion of a middle plate, both ends of the scraper are moved together with chains by the pulling force of the chains, so as to scrape materials from one place to another place, thereby realizing the transfer of the materials, and meanwhile, due to the conveying principle of the traditional scraper conveyor, the scraper chain is designed to move back and forth in the circumferential direction in the vertical direction, so that the scraper chain for conveying the materials is mainly the scraper chain of an upper chain channel, the scraper chain in a lower chain channel mainly functions as a return chain, when the scraper conveyor is in operation, the scraper chain in the lower chain channel is completely closed, when the scraper chain is in operation, the chain is broken easily, can't carry out timely maintenance to scraping the scraper chain.
Disclosure of Invention
In view of this, the invention provides a scraper conveyor without a bottom chain, so as to solve the technical problem that a scraper chain is easily broken and cannot be overhauled in time in the operation process of the scraper chain.
The technical scheme adopted by the invention for solving the technical problems is as follows:
a bottomless chain scraper conveyor comprising: tail, scrape the chain, the tail includes: frame body, second sprocket shaft group is located in the frame body, it includes to scrape the scraper chain: scraper blade subassembly, chain, scraper blade subassembly one end with chain fixed connection, the scraper blade subassembly other end is the free end, the chain drives the scraper blade subassembly motion, the chain is closed curve, the chain with the meshing of second sprocket shaft group makes circular motion is to the chain level.
Preferably, the second sprocket shaft group includes: the scraper chain comprises an inner gear and an outer gear, wherein the inner gear is meshed with the outer gear, and the outer gear is meshed with the chain, so that the scraper chain performs horizontal circular motion.
Preferably, the aircraft nose still sets up power portion, flexible tight chain subassembly, the power position is located the tailstock body outside, just power portion with scrape the chain and be not in same one side, power portion with second sprocket shaft group link, flexible tight chain subassembly sets up tailstock body top, flexible tight chain subassembly with tailstock body both sides sliding connection, flexible tight chain subassembly with the connection can be dismantled to second sprocket shaft group.
Preferably, the power part can be installed at any direction on the same side of the tail frame body.
Preferably, the top of the tail frame body is symmetrically provided with sliding grooves at two sides, the sliding grooves and the chain outlet side are not at the same side, and the sliding grooves are in sliding connection with the telescopic chain tightening assembly. .
Preferably, the telescopic chain tensioner assembly comprises: remove frame and telescopic cylinder, remove the frame with spout sliding connection, remove the frame with the sprocket subassembly is connected, telescopic cylinder one end is connected the spout, the other end connect in remove the frame.
Preferably, the movable frame is provided with a detachable cover plate, and the detachable cover plate is positioned at the other end of the zipper outlet side.
Preferably, a semicircle is arranged in the middle of the detachable cover plate, the radius of the semicircle is the same as that of the external gear, and the detachable cover plate is located at the lower part of the external gear.
Preferably, the squeegee assembly comprises: the chain scraper comprises a scraper body and walking wheels, wherein one end of the scraper body is fixedly connected with the chain, the other end of the scraper body is a free end, the walking wheels are located at the lower part of the free end of the scraper body, and the walking wheels support the scraper body to slide, so that the running smoothness of the scraper body is improved.
Preferably, the two times scraper body length is smaller than the diameter of the external gear, and the distance between the adjacent scraper bodies is larger than the circumference of the external gear.
According to the above technical solution, the bottomless chain scraper conveyor provided by the present invention includes: tail, scrape the chain, the tail includes: frame body, second sprocket shaft group is located in the frame body, it includes to scrape the scraper chain: the chain is a closed curve, and the chain is meshed with the second chain wheel shaft group to enable the chain to horizontally do circular motion; therefore, the scraper chain does not need to be moved down, and circular motion is carried out on the upper surface of the conveying groove, so that the power consumed by chain returning is reduced, and the chain is convenient to overhaul and replace in time.
Drawings
FIG. 1 is a front view of a bottomless chain flight conveyor;
FIG. 2 is a top view of a bottomless chain scraper conveyor;
FIG. 3 is a top view of the scraper chain run;
FIG. 4 is a front view of the tail; left view of conveying trough
FIG. 5 is a top view of the tail;
FIG. 6 is a top view of the tail (with the return coal cover removed);
FIG. 7 is a first top view of the installation position of the power part at the tail end (with the coal return cover removed);
FIG. 8 is a second top view of the power unit mounting position (with the coal return cover removed) of the tail;
FIG. 9 is a third top view of the installation position of the power unit at the tail (with the coal return cover removed);
FIG. 10 is a front view of the handpiece;
FIG. 11 is a top view of the handpiece;
FIG. 12 is a first plan view of the mounting position (scraper chain) of the power part of the nose;
FIG. 13 is a second plan view of the mounting position (scraper chain) of the power part of the nose;
FIG. 14 is a third plan view of the mounting position (scraper chain) of the power part of the nose;
FIG. 15 is a left side view of a conveying chute for a scraper conveyor of the related art of a comparative example;
FIG. 16 is a front view of a trough;
FIG. 17 is a top view of the trough (with the baffles removed);
fig. 18 is a left side view of the trough.
In the figure: the scraper conveyor comprises a conveying trough 1 for the scraper conveyor in the prior art, a baffle ledge 2 in the prior art, a shovel ledge 3 in the prior art, a shovel plate 31 in the prior art, a middle plate 4 in the prior art and a bottom plate 5 in the prior art.
The scraper conveyor without the bottom chain 10, the head 100, the first sprocket shaft group 110, the internal gear 111, the external gear 112, the power part 120, the head frame 130, the first out-chain side 131, the first connecting plate 132, the tail 200, the second sprocket shaft group 210, the tail frame body 220, the second out-chain side 221, the telescopic chain tightening assembly 222, the moving frame 2221, the detachable cover plate 22211, the telescopic cylinder 2222, the first telescopic cylinder 22221, the first connecting pin hole 222211, the second connecting pin hole 222212, the second telescopic cylinder 22222, the third connecting pin hole 222221, the fourth connecting pin hole 222222, the chute 223, the coal return cover 224, the second connecting plate 225, the scraper chain 300, the scraper assembly 310, the scraper body 311, the traveling wheel 312, the chain 320, the conveying chute 400, the transition chute 410, the middle chute 420, the scraper ledge 421, the scraper 4211, the convex 42111, the concave chute 42112, the first C chute 4212, the dumbbell 422, the pin socket 4221, the baffle ledge 42423, A second C-shaped groove 4231, a rack rail seat 4232, a rack rail 4233, a push lug 4234, a baffle 4235 and a cable groove 430.
Detailed Description
The technical solutions and effects of the embodiments of the present invention will be further described in detail below with reference to the accompanying drawings of the present invention.
Referring to fig. 1-18, a bottomless chain scraper conveyor 10 includes: aircraft nose 100, tail 200, scraper chain 300, conveyer trough 400, aircraft nose 100 is located the one end of conveyer trough 400, tail 200 is located the other end of conveyer trough 400, scraper chain 300 is located the upper surface of conveyer trough 400, aircraft nose 100 sets up first sprocket group 110, tail 200 sets up second sprocket group 210, scraper chain 300 includes: the scraper component 310 and the chain 320, one end of the scraper component 310 is fixedly connected with the chain 320, the other end of the scraper component 310 is a free end, the chain 320 is meshed with the first sprocket shaft group 110 and the second sprocket shaft group 210 to form a complete closed loop to do circular motion above the conveying trough 400, the chain 320 is meshed with the first sprocket shaft group 110 and the second sprocket shaft group 210 to form a complete closed loop to be parallel to the plane of the conveying trough 400, the axes of the first sprocket shaft group 110 and the second sprocket shaft 210 are perpendicular to the conveying trough 400, and the chain 320 drives the scraper component 310 to move on the conveying trough 400 to convey materials on the conveying trough 400; when the coal blocks fall into the conveying groove 400, the inner gear 111 rotates to drive the outer gear 112 to rotate, the outer gear 112 is meshed with the chain 320, the chain 320 drives the scraper component 310 to convey the coal blocks in the conveying groove 400 to the machine head 100 from the machine tail 200, and then the coal blocks are conveyed out, the chain 320 can horizontally move in the conveying groove 400, power consumed by chain returning is reduced, a chain discharging channel is not needed for the bottomless chain scraper conveyor, and the height of the bottomless chain scraper conveyor is reduced.
Further, the first sprocket shaft group 110 is the same as the second sprocket shaft group 210, and the first sprocket shaft group 110 includes: the inner gear 111 and the outer gear 112, the inner gear 111 and the outer gear 112 are meshed, the outer gear 112 is meshed with the chain 320, and the chain 320 drives the scraper to move on the conveying groove 400; the tooth part of the outer gear 112 to the shaft part of the outer gear 112 is an inclined surface, so that the tooth part of the outer gear 112 is thin, when the chain 320 drives the scraper body 311 to enter the tail 200 or the nose 100, the scraper body 311 can easily enter the upper surface of the outer gear 112, and the chain 320 is engaged.
Further, the axes of the external gear 112 and the internal gear 111 are the same, and the axes of the external gear 112 and the internal gear 111 are perpendicular to the conveying groove 400; when the scraper chain 300 circularly moves parallel to the upper plane of the conveying groove 400, the axes of the outer gear 112 and the inner gear 111 are perpendicular to the conveying groove 400, and the chain 320 can be well meshed with the outer gear 112.
Further, referring to fig. 3 to 9, the tail 200 includes: the tail frame body 220 is provided with a second chain outlet side 221, the tail frame body 220 is connected to the conveying trough 400 at the second chain outlet side 221, the second chain outlet side 221 is used for the chain 320 to enter and exit, a power part 120 is further arranged on the outer side of the tail frame body 220, the power part 120 is located on any side of the tail frame body 220, which is not the second chain outlet side 221, the power part 120 is provided with a second coupling plate 225, the power part 120 is connected with the tail frame body 220 through the second coupling plate 225, the power part 120 is connected with the inner gear 111 through a worm gear, and the power part 120 is used for providing power for the second sprocket shaft group 210, so that the second sprocket shaft group 210 rotates to drive the scraper chain 300 to normally operate; and the power part 120 can be installed at one side of the power part 120 that can be accommodated by the frame body 220 according to the position of the mine hole, so that the installation of the machine tail 200 at the mine hole is more convenient and can be suitable for different mine holes.
Further, the power unit 120 can be installed at any position on the same side of the frame body 220 according to the position of the mine hole.
Further, the top of tailstock body 220 still sets up flexible tight chain subassembly 222, flexible tight chain subassembly 222 with tailstock body 220 both sides sliding connection, flexible tight chain subassembly 222 with second sprocket shaft group 210 can dismantle the connection, second sprocket shaft group 210 level sets up in tailstock body 220, makes the whole height of tail 200 reduces, is favorable to tail 200 is in the installation of mine opening.
Further, the sliding grooves 223 are symmetrically formed in two sides of the top of the frame body 220, the sliding grooves 223 and the second chain outlet side 221 are not located on the same side, and the sliding grooves 223 are slidably connected with the telescopic chain tightening assembly 222.
Further, the telescopic chain tensioner assembly 222 comprises: a movable frame 2221, a telescopic cylinder 2222, said telescopic cylinder 2222 comprises a first telescopic cylinder 22221, a second telescopic cylinder 22222, the first telescopic cylinder 22221 and the second telescopic cylinder 22222 are respectively positioned at both sides of the moving frame 2221, the movable frame 2221 is slidably connected with the sliding groove 223, the movable frame 2221 is connected with the second sprocket shaft group 210, a first connecting pin hole 222211 and a second connecting pin hole 222212 are arranged at two ends of the first telescopic cylinder 22221, a third connecting pin hole 222221 and a fourth connecting pin hole 222222 are arranged at two ends of the second telescopic cylinder 22222, the first telescopic cylinder 22221 is pinned to the sliding groove 223 and one side of the moving frame 2221 through the first connecting pin hole 222211 and the second connecting pin hole 222212, the second telescopic cylinder 22222 is pinned to the slide groove 223 and the other side of the moving frame 2221 through the third connecting pin hole 222221 and the fourth connecting pin hole 222222; when the scraper chain 300 is relatively loose, the first telescopic cylinder 22221 and the second telescopic cylinder 22222 are started, the first telescopic cylinder 22221 and the second telescopic cylinder 22222 drive the movable frame 2221 to move towards the side far from the second chain outlet side 221, the movable frame 2221 drives the second sprocket shaft group 210 to move towards the side far from the second chain outlet side 221, so that the scraper chain 300 is tensioned, thereby facilitating the operation of the scraper chain 300, if the scraper chain 300 needs to be maintained, the scraper chain 300 needs to be loosened, the first telescopic cylinder 22221 and the second telescopic cylinder 22222 are started, the first telescopic cylinder 22221 and the second telescopic cylinder 22222 drive the movable frame 2221 to move towards the side near the second chain outlet side 221, the movable frame 2221 drives the second sprocket shaft group 210 to also move towards the side near the second chain outlet side, thereby loosening the scraper chain 300, facilitating maintenance of the scraper chain 300.
Further, the movable frame 2221 is provided with a detachable cover plate 22211, and the detachable cover plate 22211 is located at the other end of the tailstock body 220 and is not located on the same side as the second out-link side 221.
Further, a semicircle is arranged in the middle of the detachable cover plate 22211, the radius of the semicircle is the same as the radius of the shaft portion of the external gear 112, the detachable cover plate 22211 is located below the lower portion of the tooth portion of the external gear 112, and when the second sprocket shaft group 210 needs to be maintained, the detachable cover plate 22211 is pulled out from the side away from the second chain outlet side 221, so that the second sprocket shaft group 210 is exposed, and the second sprocket shaft group 210 is detected and maintained.
Further, a coal return cover 224 is arranged at the top of the machine tail frame body 220, the coal return cover 224 is in threaded connection with the machine tail frame body 220, the coal return cover 224 is not in contact with the top of the second sprocket shaft group 210, and the coal return cover 224 prevents coal blocks from falling into the second sprocket shaft group 210 to affect the operation of the second sprocket shaft group 210.
Further, referring to fig. 10 to 14, the handpiece 100 includes: the scraper chain conveying device comprises a machine head frame body 130, wherein the machine head frame body 130 is provided with a first chain outlet side 131, the machine head frame body 130 is connected with the conveying groove 400 at the first chain outlet side 131, the first chain outlet side 131 is used for the chain 320 to enter and exit, the outer side of the machine head frame body 130 is also provided with a power part 120, the power part 120 is positioned at any side of the machine head frame body 130, which is not the first chain outlet side 131, the power part 120 is provided with a first connecting plate 132, the power part 120 is connected with the machine tail frame body 220 through the first connecting plate 132, the power part 120 is connected with the inner gear 111 through a worm gear, and the power part 120 is used for providing power for the first sprocket shaft group 110, so that the first sprocket shaft group 110 rotates to drive the scraper chain 300 to normally operate; and the power part 120 can be installed at one side of the power part 120 that can be accommodated by the frame body 220 according to the position of the mine hole, so that the installation of the machine tail 200 at the mine hole is more convenient and can be suitable for different mine holes.
Further, the power part 120 can be installed at any position according to the position of the mine hole on the same side of the frame body 220
Further, the squeegee assembly 310 includes: scraper blade body 311, walking wheel 312, scraper blade body 311 one end with chain 320 fixed connection, scraper blade body 311's the other end is the free end, walking wheel 312 is located the lower part of scraper blade body 311 free end, just walking wheel 312 with the upper surface contact of conveyer trough 400, walking wheel 312 supports scraper blade body 311 slides, improves scraper blade body 311 smooth operation nature. When one end of the scraper body 311 is fixed and the other end is a free end, the scraper body 311 moves forward along with the chain 320, the walking wheels 312 reduce the resistance of the free end of the scraper body 311, the scraper body runs smoothly, and the two ends of the scraper body 311 can walk simultaneously, that is, the scraper body 311 always keeps walking perpendicular to the chain 320, so that materials can be conveyed and removed as far as possible in the process of conveying the materials by the scraper.
Further, the width of the conveying groove 400 is greater than twice the length of the scraper body 311; so that the scraper chain 300 on the conveying trough 400 can normally operate.
Further, the distance between the adjacent scraper bodies 311 is greater than the circumference of the external gear 112, and when the scraper bodies 311 rotate on the first sprocket shaft group 110 and the second sprocket shaft group 210, there is only one scraper assembly 310, so as to prevent the plurality of scraper assemblies 310 from rotating on the first sprocket shaft group 110 and the second sprocket shaft group 210, which affects the normal operation of the scraper.
Further, twice the length of the scraper body 311 is smaller than the diameter of the external gear 112; when the chain 320 returns to the conveying groove 400, and the chain 320 circularly moves parallel to the upper plane of the conveying groove 400, the scraper bodies 311 of the chain 320 in the processes of conveying materials and returning chains do not affect each other when the chain 320 circularly moves.
Further, the length of the scraper body 311 is smaller than the diameter of the external gear 112.
Further, referring to fig. 2, 16 to 18, the conveying trough 400 includes: the transition groove 410, the middle groove 420, the cable groove 430, and the first outgoing side 131 are connected to one end of the transition groove 410, one end of the transition groove 410 is connected to one end of the middle groove 420, the other end of the middle groove 420 is connected to one end of another transition groove 410, one end of another transition groove 410 is connected to the second outgoing side 221, the middle grooves 420 are connected to form a coal conveying rail, and the cable grooves 430 are connected to be disposed on one side of the middle groove 420.
Further, the middle groove 420 includes: the scraper chain conveying device comprises a scraper ledge 421, a supporting plate 422 and a baffle ledge 423, wherein the scraper ledge 421 is connected with one end of the supporting plate 422, the other end of the supporting plate 422 is connected with the baffle ledge 423, and the upper surface of the supporting plate 422 provides a running space for the scraper chain 300 to convey materials. The scraper chain 300 moves horizontally on the upper surface of the supporting plate 422, the chain 320 is not easy to be broken in the operation process of the scraper chain 300, the scraper chain 300 can be checked on the upper surface of the supporting plate 422, once the scraper chain 300 is broken, the scraper chain can be directly maintained on the upper surface of the supporting plate 422, and the operation is convenient; and the height of the middle groove 420 is remarkably reduced, thereby saving casting materials.
Further, a shovel plate 4211 is further arranged on the shovel plate ledge 421, the shovel plate 4211 and the supporting plate 422 are not on the same horizontal plane, and an included angle of 0-10 degrees is formed between the lower plane of the scraping plate and the extension line of the lower plane of the supporting plate 422, so that the conveying trough 400 is more flexible in the turning process.
Further, one end of the shovel plate 4211 is provided with a male connector 42111, the other end of the shovel plate 4211 is provided with a female connector 42112, and the conveying groove 400 is connected with the front and rear connecting grooves through the male connector 42111 and the female connector 42112, so that the connection is more convenient and tight.
Further, a first C-shaped groove 4212 is arranged inside the shovel board ledge 421, the shape of the first C-shaped groove 4212 can be adapted to the end of the scraper chain 300, the bottom of the first C-shaped groove 4212 is connected with one end of the supporting plate 422 far away from the baffle ledge 423, one end of the scraper chain 300 is pressed by the upper portion of the first C-shaped groove 4212, the scraper chain 300 is prevented from being separated from the upper portion of the supporting plate 422, the upper portion of the first C-shaped groove 4212 is short, abrasion of the scraper chain 300 on the upper portion of the first C-shaped groove 4212 is reduced, and the service life of the scraper chain is prolonged.
Further, dumbbell pin sockets 4221 are respectively arranged in the width direction of the supporting plate 422, so that the middle grooves 420 can be conveniently connected.
Furthermore, two rack rail seats 4232 are arranged at the upper part of the baffle ledge 423, and the rack rail seats 4232 are located on the upper end face of the baffle ledge 423.
Further, a second C-shaped groove 4231 is arranged on the inner side of the baffle ledge 423, the upper end of the second C-shaped groove 4231 is connected with one end of the baffle 4235, the bottom of the second C-shaped groove 4231 is connected with one end of the supporting plate 422 far away from the shovel ledge 421, the other end of the scraper chain 300 is pressed by the upper portion of the second C-shaped groove 4231, the scraper chain 300 is prevented from being separated from the upper portion of the supporting plate 422, the upper portion of the second C-shaped groove 4231 is short, abrasion of the scraper chain 300 on the upper portion of the second C-shaped groove 4231 is reduced, and the service life of the scraper chain is prolonged.
Further, the second C-shaped groove 4231 is the same as the first C-shaped groove 4212 in shape.
Further, the length of the baffle 4235 is less than one third of the width of the supporting plate 422, the cross section of the baffle 4235 is trapezoidal, and when the scraper chain 300 moves to the position near the baffle ledge 423 for chain return, the baffle 4235 can prevent a small amount of coal blocks falling off during the operation process of the coal mining machine from entering a chain return channel, so that the operation of the scraper chain 300 is affected. And the included angle between the baffle 4235 and the extension line of the upper end of the second C-shaped groove 4231 is 0-10 degrees, so that the dropped coal blocks can slide down from the middle part of the supporting plate 422, and the coal blocks can be conveniently conveyed out by the scraper chain 300.
Further, a rack 4233 is further arranged on the upper end face of the baffle ledge 423, the rack 4233 is installed on the rack seat 4232, and a walking track is provided for the walking of the coal mining machine.
Further, a push ear 4234 is arranged on the side surface of the baffle ledge 423.
For ease of understanding, this will be further illustrated by the following comparative examples.
Comparative example:
referring to fig. 15, in the prior art, a chinese utility model patent such as patent No. CN201310257684.9 discloses a middle trough and a scraper conveyor 1 having the same, which includes a prior art shoveling ledge 3, a prior art baffle ledge 2, a prior art bottom plate 5, a prior art middle plate 4, the prior art shoveling ledge 3, the prior art baffle ledge 2, the prior art bottom plate 5, the prior art middle plate 4, and the prior art pushing lug connected together by welding; the middle groove in the prior art also comprises a bottom plate 5, the whole height of the middle groove is high, more materials are lost in casting and cannot be used in a short mine hole, a scraper chain surrounds the whole middle plate in the operation process, the scraper chain is not easy to detect and is easy to break, and the scraper chain is not easy to maintain after being broken; and the shovel board and the bottom plate among the prior art are located same horizontal plane, and the middle part groove collides easily at the in-process of turning, leads to the easy wearing and tearing of shovel board among the prior art.
The middle trough 420 of the bottomless chain scraper conveyor of the present invention comprises: the scraper chain scraper comprises a scraper ledge 421, a supporting plate 422 and a baffle ledge 423, wherein the scraper ledge 421 is connected with one end of the supporting plate 422, the other end of the supporting plate 422 is connected with the baffle ledge 423, the baffle ledge 423 is connected with a baffle 4235, one end of the baffle 4235 is connected with the baffle ledge 423, the other end of the baffle 4235 is a free end, the upper surface of the supporting plate 422 is a scraper chain 300 running space, and the baffle 4235 can prevent a small amount of coal blocks falling off during the running process of a coal mining machine from entering a chain return channel to influence the running of the scraper chain 300. The utility model has no bottom plate in the prior art, and the height of the baffle ledge 423 and the shovel board ledge 421 is reduced by one third to one half compared with the prior art, so that the height of the whole conveying trough 400 is reduced, the conveying trough can adapt to shorter mine holes, materials can be saved in the casting process, the weight of the cast conveying trough 400 is obviously reduced, and the supporting plate 422 selects the preset thickness according to the conveyed coal quantity and the size of the scraper chain 300, so that the conveying trough can meet the strength of material transportation; in the invention, the scraper chain 300 moves horizontally on the upper surface of the supporting plate 422, the scraper chain 300 is not easy to be broken in the running process of the scraper chain 300, the scraper chain 300 can be checked on the upper surface of the supporting plate 422, once the scraper chain 300 is broken, the scraper chain can be directly maintained on the upper surface of the supporting plate 422, and the operation is convenient; according to the invention, the lower surface of the shovel plate 4211 and the lower surface of the supporting plate 422 form a certain included angle, so that the conveying trough 400 is more flexible in the turning process, and the abrasion between the shovel plates 4211 is reduced.
While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the invention.
Claims (10)
1. A bottomless chain scraper conveyor, comprising: tail, scrape the chain, the tail includes: frame body, second sprocket shaft group is located in the frame body, it includes to scrape the scraper chain: scraper blade subassembly, chain, scraper blade subassembly one end with chain fixed connection, the scraper blade subassembly other end is the free end, the chain drives the scraper blade subassembly motion, the chain is closed curve, the chain with the meshing of second sprocket shaft group makes circular motion is to the chain level.
2. The bottomless chain scraper conveyor of claim 1, wherein the second sprocket shaft group comprises: the scraper chain comprises an inner gear and an outer gear, wherein the inner gear is meshed with the outer gear, and the outer gear is meshed with the chain, so that the scraper chain performs horizontal circular motion.
3. The bottom-chain-free scraper conveyor as claimed in claim 2, wherein the head is further provided with a power part and a telescopic chain tightening assembly, the power part is located on the outer side of the tail frame body, the power part and the scraper chain are not located on the same side, the power part is connected with the second chain wheel shaft set, the telescopic chain tightening assembly is arranged on the top of the tail frame body, the telescopic chain tightening assembly is connected with the two sides of the tail frame body in a sliding mode, and the telescopic chain tightening assembly is detachably connected with the second chain wheel shaft set.
4. The bottomless chain scraper conveyor of claim 3, wherein the power section is mountable at any orientation on the same side of the tail body.
5. The bottom-chain-free scraper conveyor as claimed in claim 4, wherein sliding grooves are symmetrically formed in two sides of the top of the frame body, the sliding grooves are not located on the same side as the chain outlet side, and the sliding grooves are slidably connected with the telescopic chain tightening assembly.
6. The bottomless chain scraper conveyor of claim 5, wherein the telescopic chain tensioner assembly comprises: remove frame and telescopic cylinder, remove the frame with spout sliding connection, remove the frame with the sprocket subassembly is connected, telescopic cylinder one end is connected the spout, the other end connect in remove the frame.
7. The bottomless chain scraper conveyor of claim 6, wherein the mobile frame is provided with a detachable cover plate at the other end of the discharge side.
8. The bottomless chain scraper conveyor of claim 7, wherein the middle part of the detachable cover plate is provided with a semicircle, the radius of the semicircle is the same as that of the outer gear, and the detachable cover plate is positioned at the lower part of the outer gear.
9. The bottomless chain scraper conveyor of claim 8, wherein the scraper assembly comprises: the chain scraper comprises a scraper body and walking wheels, wherein one end of the scraper body is fixedly connected with the chain, the other end of the scraper body is a free end, the walking wheels are located at the lower part of the free end of the scraper body, and the walking wheels support the scraper body to slide, so that the running smoothness of the scraper body is improved.
10. The easy-to-service bottomless chain flight conveyor of claim 9, wherein the double flight body length is less than the diameter of the outer gear and the spacing between adjacent flight bodies is greater than the perimeter of the outer gear.
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| CN113443345B (en) | 2023-07-07 |
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